/**
 * @file   ibufferbase.hpp
 * @Author Alexandre Chassany (alexandre.chassany@gmail.com)
 * @date   March 2011
 * @brief  Base interface for buffers
 *
 * Poum-tchak is a free sound manipulation and synthesis, 
 * real-time and interactive music-clip rendering.
 *
 * Copyright (C) 2011  Chassany Alexandre and Gonzalez Antoine.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * he Free Software Foundation, either version 3 of the License, or
 * at your option) any later version.
 *
 * is program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef _ELIXIR_IBUFFERBASE_H_
#define _ELIXIR_IBUFFERBASE_H_

namespace Elixir
{
  /**
   * @class IBufferBase
   * @brief Base class for all the buffers in the application
   */
  class IBufferBase
  {
  public:
	virtual ~IBufferBase();

  protected:
	template <class T> friend class BufferGuard;
	
	IBufferBase(unsigned long count);

	virtual void* lock(unsigned long offset, unsigned long size, unsigned long flags) = 0;
	virtual void unlock() = 0;

	unsigned long count_; //! number of elements in the buffer
  };
}

#endif // _ELIXIR_IBUFFERBASE_H_
